Where is the ECM located?

2004 FORD F-150

207,269 MILES • 4.6L • V8 • 2WD • AUTOMATIC

DRIVER1

I lost keys to my truck listed above Heritage XL with a 4.6L Triton. I now must replace ECM before programming new.

Aug 19, 2022 at 7:20 AM

STRAILER

Here is what AllData says about the location of the PCM. Check out the images below. Can you upload a picture of the firewall where they say it is?

Image (Click to enlarge)

Aug 19, 2022 at 10:42 AM

DRIVER1

This location is for all 2004 f150 models except Heritage...

Aug 19, 2022 at 5:19 PM

STRAILER

Yep, good call, it is under the dash on the passenger's side near the fuse panel. Below are the diagrams.

Images (Click to enlarge)

Aug 20, 2022 at 4:56 PM